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Superfund / Missouri

Weldon Spring Quarry/Plant/Pits (USDOE/Army)

St. Charles County, St. Charles County, Missouri

This site remains on the final NPL. The engineered cleanup (its "remedy") was physically completed on 08/22/2005, and the site stays listed while monitoring confirms the remedy works.

EPA IDMO3210090004
StatusNPL Site
HRS score58.6
Proposed10/15/1984
Listed07/22/1987
Construction complete08/22/2005
Deleted-
Coordinates38.69694, -90.72500

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